package com.atguigu.suger.service;

import com.atguigu.suger.bean.Visitor;

import java.util.List;

/**
 * @Author lizhenchao@atguigu.cn
 * @Date 2022/2/21 14:01
 */
public interface VisitorService {
    List<Visitor> statsByHour(int date);
}
